Which of the natural resources in the United States aided industrial growth?

the melanesian is basically practicing magic.

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.

the answer i chose to believe is 'harmony'

i don't really understand the question